/*
 * Copyright (C) 2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package fathom.eventbus;

import com.google.common.eventbus.DeadEvent;
import com.google.common.eventbus.EventBus;
import com.google.common.eventbus.Subscribe;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Singleton
public class DeadEventsSubscriber {

    private final static Logger log = LoggerFactory.getLogger(DeadEventsSubscriber.class);

    @Inject
    public DeadEventsSubscriber(EventBus eventBus) {
        eventBus.register(this);
    }

    @Subscribe
    public void handleUnsubscribedEvent(DeadEvent deadEvent) {
        log.warn("No subscribers for {}", deadEvent.getEvent());
    }
}